zkLedger Privacy-Preserving Auditing for Distributed Ledgers

Transcript

2. ❖ ❖ ❖ ▪
4. ❖ ❖ ❖
5. ❖ ❖ ❖
6. ❖ ➢ ▪ ▪ ❖ ➢ ➢ ➢
7. ❖ Banks Auditor ▪ ❖ ▪ Bank i v t Bank j ❖
8. ❖ ❖ Bank keypair ▪ sk ▪ pk hsk ❖ v v π v
9. ❖ ❖ Auditor Bank Bank Auditor Auditor Auditor
10. ❖ Bank Bank Auditor ❖ Bank ❖
11. ❖ ❖ ❖
12. ❖ Bank ❖ COMM(v, r) v {π i A, π i B, π i C} Bank i ▪ π i A [0, 240) ▪ π i B ▪ π i C Token Token i (pk i )ri ▪ Bank Bank Auditor ▪
13. ❖ Auditor Bank Bank t ❖ Auditor Bank Bank
14. ❖ Bank ❖ Auditor ❖ Bank ❖ Bank Auditor Bank x, π
15. ❖ ❖
16. ❖ ❖
17. ❖ btcec secp256k1 ▪ btcec
18. ❖ Bank ❖ ▪ ▪ Bank ▪ ▪ Auditor Bank ▪ net/rpc
19. ❖ ❖ ▪
20. ❖ ❖
21. Bank ❖ Bank ❖ Bank
22. ❖ ❖